Finding the Third Proportional to 31,938.52 and 67,187.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,938.52 : 67,187.48 = 67,187.48 : x
2. Step 2: Convert to fraction form
   31,938.52/67,187.48 = 67,187.48/x
3. Step 3: Cross multiply
   31,938.52x = 67,187.48 × 67,187.48
4. Step 4: Simplify right side
   31,938.52x = 4,514,158,056.64
5. Step 5: Solve for x
   x = 4,514,158,056.64/31,938.52
6. Step 6: Final answer
   x = 141,339.01